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Net-client: compact the buffer if possible instead of resizing

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This commit is contained in:
Jakub Valtar
2018-01-21 17:03:55 +01:00
parent f140299e48
commit e64a283a00
1 changed files with 12 additions and 3 deletions
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15
java/libraries/net/src/processing/net/Client.java
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@@ -236,9 +236,18 @@ public class Client implements Runnable {
// todo: at some point buffer should stop increasing in size,
// otherwise it could use up all the memory.
if (bufferLast == buffer.length) {
byte temp[] = new byte[bufferLast << 1];
System.arraycopy(buffer, 0, temp, 0, bufferLast);
buffer = temp;
if (bufferIndex > 0) {
// compact the buffer
int bufferLength = bufferLast - bufferIndex;
System.arraycopy(buffer, bufferIndex, buffer, 0, bufferLength);
bufferLast -= bufferIndex;
bufferIndex = 0;
} else {
// resize the buffer
byte temp[] = new byte[bufferLast << 1];
System.arraycopy(buffer, 0, temp, 0, bufferLast);
buffer = temp;
}
}
buffer[bufferLast++] = (byte)value;
}